Early Radeon vs. Nouveau OpenGL Tests On Linux 4.4

Nouveau could use some better performance in Xonotic.

The GeForce GTX 680 results relative to the Radeon open-source numbers show that the Nouveau driver has the potential perform competitively against the open-source AMD Linux stack when re-clocking is fully working. However, as the other NVIDIA Kepler cards show, even when set to the 0f performance state there are some re-clocking challenges to still work through that won't be solved until Linux 4.5 or later. Nevertheless, it's great to see this community-based driver continuing to advance with limited support from NVIDIA Corp.

Coming up later this week will be open vs. closed-source graphics driver results for the GeForce GTX 680, which should be particularly interesting. If any Phoronix Premium subscribers have other Linux graphics test requests, let me know!